universe@94: #include "utils.h"
universe@92: #include "math.h"
universe@89: 
universe@94: /* COPY FUCNTIONS */
universe@94: void* ucx_strcpy(void* s, void* data) {
universe@94:     char *str = (char*) s;
universe@94:     size_t n = 1+strlen(str);
universe@94:     char *cpy = (char*) malloc(n);
universe@94:     memcpy(cpy, str, n);
universe@94:     return cpy;
universe@94: }
universe@94: 
universe@94: void* ucx_memcpy(void* m, void* n) {
universe@94:     size_t k = *((size_t*)n);
universe@94:     void *cpy = malloc(k);
universe@94:     memcpy(cpy, m, k);
universe@94:     return cpy;
universe@94: }
universe@94: 
universe@94: /* COMPARE FUNCTION */
universe@94: 
universe@89: int ucx_strcmp(void *s1, void *s2, void *data) {
universe@89:     return strcmp((char*)s1, (char*)s2);
universe@89: }
universe@89: 
universe@89: int ucx_strncmp(void *s1, void *s2, void *n) {
universe@89:     return strncmp((char*)s1, (char*)s2, *((size_t*) n));
universe@89: }
universe@89: 
universe@89: int ucx_intcmp(void *i1, void *i2, void *data) {
universe@89:    int a = *((int*) i1);
universe@89:    int b = *((int*) i2);
universe@89:    if (a == b) {
universe@89:        return 0;
universe@89:    } else {
universe@89:        return a < b ? -1 : 1;
universe@89:    }
universe@89: }
universe@89: 
universe@92: int ucx_floatcmp(void *f1, void *f2, void *epsilon) {
universe@92:    float a = *((float*) f1);
universe@92:    float b = *((float*) f2);
universe@92:    float e = !epsilon ? 1e-6f : *((float*)epsilon);
universe@92:    if (fabsf(a - b) < e) {
universe@92:        return 0;
universe@92:    } else {
universe@92:        return a < b ? -1 : 1;
universe@92:    }
universe@92: }
universe@92: 
universe@92: int ucx_doublecmp(void *d1, void *d2, void *epsilon) {
universe@92:    double a = *((float*) d1);
universe@92:    double b = *((float*) d2);
universe@92:    double e = !epsilon ? 1e-14 : *((double*)epsilon);
universe@92:    if (fabs(a - b) < e) {
universe@92:        return 0;
universe@92:    } else {
universe@92:        return a < b ? -1 : 1;
universe@92:    }
universe@92: }
universe@92: 
universe@89: int ucx_ptrcmp(void *ptr1, void *ptr2, void *data) {
universe@89:     if (ptr1 == ptr2) {
universe@89:         return 0;
universe@89:     } else {
universe@89:         return ptr1 < ptr2 ? -1 : 1;
universe@89:     }
universe@89: }
universe@91: 
universe@91: int ucx_memcmp(void *ptr1, void *ptr2, void *n) {
universe@91:     return memcmp(ptr1, ptr2, *((size_t*)n));
universe@91: }